<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #root {
            width: 100vw;
            height: 30vh;
            background-color: rgb(212, 206, 206);
            display: flex;
            /* align-content: center; */
            align-items: center;
        }

        #root div {
            border: 1px solid red;
            width: 100px;
            height: 100px;
        }

        #item1 {
            height: 50px;
            font-size: 3rem;
            background-color: lightgreen;
        }

        #item2 {
            background-color: lightblue;
        }
    </style>
</head>

<body>
    <div id="root">
        <div id="item1">asd</div>
        <div id="item2">dsa</div>
        <div id="item3">hyt</div>
        <div id="item4">gtr</div>
        <div id="item5">juyj</div>
    </div>
</body>

</html>